Front

What is the main function of arteries in the circulatory system?

Back

Arteries carry oxygen-rich blood away from the heart to the body.

Front

What is the smallest type of blood vessel?

Back

Capillaries are the smallest type of blood vessel, allowing for the exchange of oxygen, carbon dioxide, nutrients, and waste.

Front

Which component of blood is responsible for clotting?

Back

Platelets, also known as thrombocytes, are responsible for blood clotting.

Front

What is the role of white blood cells in the circulatory system?

Back

White blood cells help fight infections and illnesses by attacking pathogens.

Front

What are the three main types of blood vessels?

Back

The three main types of blood vessels are arteries, veins, and capillaries.

Front

What is the function of veins in the circulatory system?

Back

Veins carry oxygen-poor blood back to the heart.

Front

What is hemoglobin and its function?

Back

Hemoglobin is a protein in red blood cells that binds to oxygen and carries it from the lungs to the rest of the body.

Front

What is the role of the heart in the circulatory system?

Back

The heart pumps blood throughout the body, supplying oxygen and nutrients while removing waste.

Front

What is the significance of the circulatory system in regulating body temperature?

Back

The circulatory system helps regulate body temperature by adjusting blood flow to the skin.

Front

What is the function of plasma in the blood?

Back

Plasma is the liquid component of blood that carries cells, nutrients, hormones, and waste products.